| 105301 | Maryland | MD | OLDTOWN | 21555 | Oldtown United Methodist Church | Methodist | 301-478-5869 | 18605 Oldtown Rd Se OLDTOWN, MD 21555 US | | |
| 105302 | Maryland | MD | OLDTOWN | 21555 | | | | | | |
| 105303 | Maryland | MD | OLDTOWN | 21555 | Sulphur Springs United Methodist Church | Methodist | 301-478-5560 | 20816 Oldtown Rd Se OLDTOWN, MD 21555 US | | |
| 105304 | Maryland | MD | Olney | 20830 | Brookeville Mt Zion | Methodist | | Po Box 324 OLNEY, MD 20830 US | | |
| 105305 | Maryland | MD | Olney | 20830 | New Life Church | Non-Denominational | 301-570-8799 | PO BOX 878 Olney, MD 20830 US | | |
| 105306 | Maryland | MD | Olney | 20832 | Faith Presbyterian Church | Presbyterian | 301-774-1657 | 17309 OLD BALTIMORE ROAD Olney, MD 20832 US | http://www.faith-olney.org/ | faith-secretary@verizon.net |
| 105307 | Maryland | MD | Olney | 20832 | Church Of Christ At Olney | Church of Christ | 301-774-0638 | 17020 GEORGIA AVENUE Olney, MD 20832 US | http://www.churchofchristatolney.org/ | |
| 105308 | Maryland | MD | Olney | 20832 | Lutheran Church Of The Good Shepherd | Lutheran | 301-774-9125 | 4200 OLNEY LAYTONSVILLE ROAD Olney, MD 20832 US | http://www.olneygoodshepherd.org/ | |
| 105309 | Maryland | MD | Olney | 20832 | New Hope Presbyterian Church | Presbyterian | 301-570-3829 | 3460 OLNEY LAYTONSVILLE ROAD Olney, MD 20832 US | http://www.new-hope-pc.org/ | |
| 105310 | Maryland | MD | Olney | 20832 | New Life Community Church | Community | 301-774-1983 | Olney, MD 20832 US | | |
| 105311 | Maryland | MD | Olney | 20832 | Oakdale Emory United Methodist Church | United Methodist | 301-774-4666 | 3425 EMORY CHURCH ROAD Olney, MD 20832 US | https://www.oeumc.org/ | |
| 105312 | Maryland | MD | Olney | 20832 | Olney Baptist Church | Baptist | 301-774-5433 | 17525 GEORGIA AVENUE Olney, MD 20832 US | http://www.olneybaptistchurch.com/ | |
| 105313 | Maryland | MD | Olney | 20832 | Olney Full Gospel Church | Full Gospel | 301-774-5225 | PO BOX 205 Olney, MD 20832 US | | |
| 105314 | Maryland | MD | Olney | 20832 | Refuge Church Of Christ | Church of Christ | 301-924-2477 | 3618 OLNEY LAYTONSVILLE ROAD Olney, MD 20832 US | http://www.refugechurchontheweb.org/ | |
| 105315 | Maryland | MD | Olney | 20832 | Resurrection Baptist Church | Baptist | 301-570-3372 | 18800 NEW HAMPSHIRE AVENUE Olney, MD 20832 US | | |
| 105316 | Maryland | MD | Olney | 20832 | Saint Andrew Kim Catholic Church | Catholic | 301-924-8330 | 3140 SAINT FLORENCE TERRACE Olney, MD 20832 US | http://www.standrewkim.org/ | |
| 105317 | Maryland | MD | Olney | 20832 | Saint Andrew Kim Korean Catholic Church | Catholic | 301-474-5074 | 17615 OLD BALTIMORE ROAD Olney, MD 20832 US | http://www.standrewkim.org/ | |
| 105318 | Maryland | MD | Olney | 20832 | Saint John's Episcopal Church | Episcopal | 301-438-2832 | 3427 OLNEY LAYTONSVILLE ROAD Olney, MD 20832 US | | |
| 105319 | Maryland | MD | Olney | 20832 | Saint Peter's Catholic Church | Catholic | 301-774-9112 | 2900 OLNEY SANDY SPRING ROAD Olney, MD 20832 US | | |
| 105320 | Maryland | MD | Olney | 20832 | Saint Peter's School Of Religion | Catholic | 301-570-4952 | 2900 OLNEY SANDY SPRING ROAD Olney, MD 20832 US | | |
| 105321 | Maryland | MD | Olney | 20832 | Seventh-day Adventist Church | Seventh Day Adventist | 301-774-7733 | 4100 OLNEY LAYTONSVILLE ROAD Olney, MD 20832 US | http://www.olneysda.org/About_Us.html | |
| 105322 | Maryland | MD | Olney | 20832 | The Capital Brazilian Seventh Day Adventist Temple | Seventh Day Adventist | 301-774-4494 | 3558 SOFTWOOD TERRACE Olney, MD 20832 US | | |
| 105323 | Maryland | MD | OWINGS | 20736 | Jesus The Good Shepherd | Catholic | 410-257-3810 | 1601 W. Mount Harmony Road OWINGS, MD 20736 US | http://www.ccjgs.org | |
| 105324 | Maryland | MD | OWINGS | 20736 | Mount Harmony/lower Marlboro | Methodist | | 155 E Mount Harmony Road OWINGS, MD 20736 US | | |
| 105325 | Maryland | MD | Oxford | 21654 | Thawleys Chapel United Methodist Church | Methodist | 410-634-2527 | P O Box 117 OXFORD, MD 21654 US | mailto:socwk@home.dmv.com | |
| 105326 | Maryland | MD | Oxford | 21654 | Bridgetown United Methodist Church | Methodist | | P O Box 117 OXFORD, MD 21654 US | | |
| 105327 | Maryland | MD | Oxford | 21654 | Ridgely United Methodist Church | Methodist | 410-634-2527 | P O Box 117 OXFORD, MD 21654 US | | |
| 105328 | Maryland | MD | Oxford | 21654 | Church Of The Holy Trinity | Catholic | 410-226-5134 | 502 SOUTH MORRIS STREET Oxford, MD 21654 US | http://www.holytrinityoxfordmd.org/ | |
| 105329 | Maryland | MD | Oxford | 21654 | Oxford United Methodist Church | United Methodist | 410-226-5585 | 101 MORRIS STREET Oxford, MD 21654 US | | |
| 105330 | Maryland | MD | Parkton | 21120 | Redeemer Lutheran Church | Lutheran | 410-343-1665 | 20440 DOWNES ROAD Parkton, MD 21120 US | http://www.redeemerparkton.com/ | info@redeemerparkton.com |